Balanced and Unbalanced Forces

A car that is 450 kg is traveling with and acceleration of 8 m/s² west down the road. There is no other forces acting on the car. What is the force that the car is traveling with?

• 3,600N

• 56.25N

• 0.0178N

• 458N

A desk is moving with an acceleration of 3.2 m/s² and the force being applied to it is 22N. What is the mass of the desk?

• 25.2 kg

• 6.875 kg

• 70.4 kg

• 12.6 kg

You're pushing on a refrigerator with a force of 46N. The refrigerator has a mass of 87 kg. What is the acceleration?

• 0.53 m/s²

• 4,002 m/s²

• 1.89 m/s²

• 2,121.06 m/s²

Both Henry and Jerry are pushing a dresser to the left. Henry is push with 40N and Jerry is pushing with 32N. What is the net force?

• 8N

• 72N

• 36N

• 142N

Ben and Cameron are arm wrestling. Both Ben and Cameron are using a force of 120N. What is the net force?

• 0N

• 240N

• 120N

• -120N

A car is traveling down the road on cruise control at 65 mph. The car is traveling at 875N West, with the air resistance traveling at 875N East. What is the net force and is the velocity changing or staying the same?

• 0N and change

• 1750N and same

• 1815N and changing

• 0N and same

A lamp is sitting on a table with a force of 10N pushing down. Then the table is pushing up on the lamp with 10N. What is the net force?

• 20N

• 10N

• 0N

• -10N

A boat is traveling 1200N north, and the frictional force acting on it is 800N. What is the net force and is the velocity changing or staying the same?

• 2000N and same

• 400N and same

• 400N and changing

• 2000N and changing

Tags

NGSS.MS-PS2-2

Football players Mason and Seth are pushing each other in opposite directions. Mason is push right with a force of 90N and Seth is pushing to the left with a force of 85N. What is the net force and which direction are they going?

• 5N and right

• 175N and right

• 5N and left

• 175N and left

Two children are fitting over a toy. One child is pulling to the left with 20N and the other child is pull right with 20N. What is the net force and is it balanced or unbalanced?

• 40N and balanced

• 0N and unbalanced

• 40N and unbalanced

• 0N and balanced